After defeating Grodus on the moon, I jumped to the ceiling and came down in the teleporter room. Those in the know will know what I am talking about. Jumping to a ledge with Yoshi, I gained the Orb. By inding its usage, it says "The orb needed to operate the...

i think i c the item u need to defeat hooktail (the pink thing behind the gate?) how do i get it. the goomba girl keeps saying maybe someone is controling the pink skull but where are they? ive checked th casle over and over but nothing... PLEASE HELP

Im at the part when you put the sun and moon stone in.They are now in but i have tried many many times but i cant seem to hti the two blue blocks at the same time i have tried :use Koops's shell by pressing "X", so place Koops in his shell state by
pressing ...